- Correspondence to Dr Andrew J Fowell, Department of Gastroenterology and Hepatology, Queen Alexandra Hospital, Portsmouth Hospitals NHS Trust, Portsmouth PO6 3LY, UK;
- Received August 13, 2019
- Revised January 17, 2020
- Accepted February 4, 2020
- First published April 7, 2020.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.